CA1240743A - Systeme pour connecter selectivement plusieurs stations a une meme voie de communication - Google Patents

Systeme pour connecter selectivement plusieurs stations a une meme voie de communication

Info

Publication number
CA1240743A
CA1240743A CA000497348A CA497348A CA1240743A CA 1240743 A CA1240743 A CA 1240743A CA 000497348 A CA000497348 A CA 000497348A CA 497348 A CA497348 A CA 497348A CA 1240743 A CA1240743 A CA 1240743A
Authority
CA
Canada
Prior art keywords
impedance
tap
path
coupled
communications path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000497348A
Other languages
English (en)
Inventor
George Heys, Jr.
Rex A. Aleshire
Frank Hines
William M. Belknap
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR Voyix Corp
Original Assignee
NCR Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NCR Corp filed Critical NCR Corp
Application granted granted Critical
Publication of CA1240743A publication Critical patent/CA1240743A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H04L12/40039—Details regarding the setting of the power status of a node according to activity on the bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G06F13/4086—Bus impedance matching, e.g. termination
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
    • H03H7/482—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source particularly adapted for use in common antenna systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
CA000497348A 1984-12-27 1985-12-11 Systeme pour connecter selectivement plusieurs stations a une meme voie de communication Expired CA1240743A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/686,579 US4682325A (en) 1984-12-27 1984-12-27 System for selectively coupling a plurality of stations into a single communications path
US686,579 1991-03-27

Publications (1)

Publication Number Publication Date
CA1240743A true CA1240743A (fr) 1988-08-16

Family

ID=24756899

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000497348A Expired CA1240743A (fr) 1984-12-27 1985-12-11 Systeme pour connecter selectivement plusieurs stations a une meme voie de communication

Country Status (6)

Country Link
US (1) US4682325A (fr)
EP (1) EP0205563B1 (fr)
JP (1) JPH0710066B2 (fr)
CA (1) CA1240743A (fr)
DE (1) DE3571905D1 (fr)
WO (1) WO1986004195A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8715742D0 (en) * 1987-07-03 1987-08-12 Raychem Pontoise Sa Data transmission bus coupler
US4920339A (en) * 1989-01-06 1990-04-24 Western Digital Corp. Switchable bus termination and address selector
DE4039483A1 (de) * 1990-12-11 1992-06-17 Bayerische Motoren Werke Ag Linearer datenbus
US7295883B2 (en) * 1999-11-23 2007-11-13 Dell Products L.P. Method and apparatus for providing audio signals
JP2003204340A (ja) * 2001-10-31 2003-07-18 Yazaki Corp 車載用多重通信装置
US8260380B2 (en) * 2006-02-02 2012-09-04 Nvidia Corporation Headset with remote control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB461192A (en) * 1935-08-08 1937-02-08 Michael Bowman Manifold Improvements in or relating to high frequency electric transmission lines
US3800097A (en) * 1972-09-15 1974-03-26 Gte Automatic Electric Lab Inc Bus system for interconnecting systems of a communication switching system
US3881160A (en) * 1974-05-20 1975-04-29 Joseph I Ross Catv multi-tap distribution box
US4254501A (en) * 1979-03-26 1981-03-03 Sperry Corporation High impedance, Manchester (3 state) to TTL (2 wire, 2 state) transceiver for tapped bus transmission systems
US4412326A (en) * 1981-10-23 1983-10-25 Bell Telephone Laboratories, Inc. Collision avoiding system, apparatus and protocol for a multiple access digital communications system including variable length packets
ZA827851B (en) * 1981-11-04 1984-06-27 Racal Acoustics Ltd Communication set and method
US4476543A (en) * 1982-09-30 1984-10-09 Honeywell Information Systems Inc. Connection of a number of work stations to a single conductor coaxial bus

Also Published As

Publication number Publication date
WO1986004195A1 (fr) 1986-07-17
JPS62501324A (ja) 1987-05-21
DE3571905D1 (en) 1989-08-31
EP0205563A1 (fr) 1986-12-30
JPH0710066B2 (ja) 1995-02-01
EP0205563B1 (fr) 1989-07-26
US4682325A (en) 1987-07-21

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Legal Events

Date Code Title Description
MKEX Expiry